Finding the Fourth Proportional to 12,040.38, 16,599.33 and 8,904.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.38 : 16,599.33 = 8,904.06 : x
2. Step 2: Convert to fraction form
   12,040.38/16,599.33 = 8,904.06/x
3. Step 3: Cross multiply
   12,040.38x = 16,599.33 × 8,904.06
4. Step 4: Simplify right side
   12,040.38x = 147,801,430.28
5. Step 5: Solve for x
   x = 147,801,430.28/12,040.38
6. Step 6: Final answer
   x = 12,275.48